carlobasner
tree house 012
This photograph of a little lake formed by water runoff is a great example of nature at work. Naturally forms an ecosystem. Ecosystems are a natural unit consisting of all plants, animals and many micro-organizms (biotic factors) in an area functioning together with all of the non livng physical (abiotic) factors of the environment. An ecosystem is a completely independent unit of interdependent organisms which share the same habitiat. Ecosystems usually form a number of food webs which show the interdependence of the organisms within the ecosystem.
tree house 012
This photograph of a little lake formed by water runoff is a great example of nature at work. Naturally forms an ecosystem. Ecosystems are a natural unit consisting of all plants, animals and many micro-organizms (biotic factors) in an area functioning together with all of the non livng physical (abiotic) factors of the environment. An ecosystem is a completely independent unit of interdependent organisms which share the same habitiat. Ecosystems usually form a number of food webs which show the interdependence of the organisms within the ecosystem.